After completing her sixth rehab stay last week,Lindsay Lohan is REALLY trying to turn things around for good — you know, with the help of Oprah Winfrey's wise guidance.

In addition to her tell-all interview to be featured on Oprah's Next Chapter, the (formerly?) troubled starlet listened to the legendary TV personality's advice to axe a trip to Europe and has accepted her as a mentor.

A source spilled:

"She is doing everything Oprah tells her to do. She really wants to get back to living a normal life and not being around negative people."

And so far, according to Oprah, LiLo has already made major strides in behavioral changes.

Oprah said:

"I thought that she's in the best place that I've ever seen her. I believe that she believes that she is now ready. And she admitted that there were other times when she was pretending to be ready and not quite sure. And sometimes resentful that she was being, you know, put in a position where she had to go to rehab. I think this is the first time I could see it really benefited her."

WOW.

Well, if Oprah says Linds is a new woman, it must be true.

We're just happy LiLo has finally found someone to look up to that is worth while.

A new Bill Cosby accuser's story of how he allegedly sexually assaulted her after drugging her drink is horrifying.

According to Patricia, -- who decided to keep her last name anonymous -- Bill invited her to a dinner party in 1978 after they met at a conference... a dinner party that ended up just being the two of them: